Volume and Surface Area Questions Practice Question and Answer

Q:

The diameter of a circle is equal to the perimeter of a square whose area is 3136 sq cm. What is the circumference of the circle?

1021 0

  • 1
    352 cm
    Correct
    Wrong
  • 2
    704 cm
    Correct
    Wrong
  • 3
    394 cm
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "704 cm"

Q:

What is the area of the largest triangle that can be fitted into a rectangle of length 'l' units and width 'w' units?

1013 0

  • 1
    $$ {lw\over3}$$
    Correct
    Wrong
  • 2
    $$ {2lw\over3}$$
    Correct
    Wrong
  • 3
    $$ {3lw\over3}$$
    Correct
    Wrong
  • 4
    $$ {lw\over2}$$
    Correct
    Wrong
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Answer : 4. "$$ {lw\over2}$$"

Q:

The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to its height.

1012 0

  • 1
    3 : 7
    Correct
    Wrong
  • 2
    7 : 3
    Correct
    Wrong
  • 3
    6 : 7
    Correct
    Wrong
  • 4
    7 : 6
    Correct
    Wrong
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Answer : 2. "7 : 3"

Q:

What is the area ( in cm2 ) of the circumcircle of a triangle whose sides are 6 cm , 8 cm and 10 cm respectively ? 

1009 0

  • 1
    $$ {275\over 7}$$
    Correct
    Wrong
  • 2
    $$ {2200\over 7}$$
    Correct
    Wrong
  • 3
    $$ {550\over 7}$$
    Correct
    Wrong
  • 4
    $$ {1100\over 7}$$
    Correct
    Wrong
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Answer : 3. "$$ {550\over 7}$$"

Q:

The perimeter of a circle is equal to the square perimeter. What will be the ratio of their areas?

995 0

  • 1
    4 : 1
    Correct
    Wrong
  • 2
    11 : 7
    Correct
    Wrong
  • 3
    14:11
    Correct
    Wrong
  • 4
    11:14
    Correct
    Wrong
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Answer : 3. "14:11"

Q:

There is a circular garden of radius 21 metres. A path of width 3.5 metres is constructed just outside the garden. What is the area (in metres) of the path? 

990 0

  • 1
    500.50
    Correct
    Wrong
  • 2
    575.60
    Correct
    Wrong
  • 3
    521.20
    Correct
    Wrong
  • 4
    560.70
    Correct
    Wrong
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Answer : 1. "500.50 "

Q:

What will be the area of the curved surface of an elliptical cylinder whose height and diameter are 10 cm and 8 cm respectively?

988 0

  • 1
    20 π
    Correct
    Wrong
  • 2
    168 π
    Correct
    Wrong
  • 3
    80 π
    Correct
    Wrong
  • 4
    40 π
    Correct
    Wrong
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Answer : 3. "80 π"

Q:

In a circle, difference between the circumference and radius is 37 cm. Find the area (in cm²) of the circle?

970 0

  • 1
    616
    Correct
    Wrong
  • 2
    154
    Correct
    Wrong
  • 3
    308
    Correct
    Wrong
  • 4
    77
    Correct
    Wrong
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Answer : 2. "154 "

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